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bdk: actmon: switch to averaged sampling

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CTCaer 2023-12-25 03:46:05 +02:00
parent e47a819948
commit 504659a39b
1 changed files with 11 additions and 12 deletions
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23
bdk/soc/actmon.c
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@ -76,7 +76,9 @@
#define ACTMON_HISTOGRAM_DATA_BASE 0x380 #define ACTMON_HISTOGRAM_DATA_BASE 0x380
#define ACTMON_HISTOGRAM_DATA_NUM 32 #define ACTMON_HISTOGRAM_DATA_NUM 32
#define ACTMON_FREQ 19200000 #define ACTMON_FREQ 19200000
#define ACTMON_PERIOD_MS 20
#define DEV_COUNT_WEIGHT 5
typedef struct _actmon_dev_reg_t typedef struct _actmon_dev_reg_t
{ {
@ -91,11 +93,9 @@ typedef struct _actmon_dev_reg_t
vu32 avg_count; vu32 avg_count;
vu32 intr_status; vu32 intr_status;
vu32 ctrl2; vu32 ctrl2;
vu32 unk[5]; vu32 rsvd[5];
} actmon_dev_reg_t; } actmon_dev_reg_t;
u32 sample_period = 0;
void actmon_hist_enable(actmon_hist_src_t src) void actmon_hist_enable(actmon_hist_src_t src)
{ {
ACTMON(ACTMON_HISTOGRAM_CONFIG) = ACTMON_HIST_CFG_SOURCE(src) | ACTMON_HIST_CFG_ACTIVE; ACTMON(ACTMON_HISTOGRAM_CONFIG) = ACTMON_HIST_CFG_SOURCE(src) | ACTMON_HIST_CFG_ACTIVE;
@ -120,10 +120,10 @@ void actmon_dev_enable(actmon_dev_t dev)
{ {
actmon_dev_reg_t *regs = (actmon_dev_reg_t *)(ACTMON_DEV_BASE + (dev * ACTMON_DEV_SIZE)); actmon_dev_reg_t *regs = (actmon_dev_reg_t *)(ACTMON_DEV_BASE + (dev * ACTMON_DEV_SIZE));
regs->init_avg = 0; regs->init_avg = ACTMON_FREQ * ACTMON_PERIOD_MS * DEV_COUNT_WEIGHT / 100;
regs->count_weight = 5; regs->count_weight = DEV_COUNT_WEIGHT;
regs->ctrl = ACTMON_DEV_CTRL_ENB | ACTMON_DEV_CTRL_ENB_PERIODIC; regs->ctrl = ACTMON_DEV_CTRL_ENB | ACTMON_DEV_CTRL_ENB_PERIODIC | ACTMON_DEV_CTRL_K_VAL(7); // 128 samples average.
} }
void actmon_dev_disable(actmon_dev_t dev) void actmon_dev_disable(actmon_dev_t dev)
@ -138,7 +138,7 @@ u32 actmon_dev_get_load(actmon_dev_t dev)
actmon_dev_reg_t *regs = (actmon_dev_reg_t *)(ACTMON_DEV_BASE + (dev * ACTMON_DEV_SIZE)); actmon_dev_reg_t *regs = (actmon_dev_reg_t *)(ACTMON_DEV_BASE + (dev * ACTMON_DEV_SIZE));
// Get load-based sampling. 1 decimal point precision. // Get load-based sampling. 1 decimal point precision.
u32 load = regs->count / (ACTMON_FREQ / 1000); u32 load = regs->count * 100 / (ACTMON_FREQ / (ACTMON_PERIOD_MS * DEV_COUNT_WEIGHT));
return load; return load;
} }
@ -148,7 +148,7 @@ u32 actmon_dev_get_load_avg(actmon_dev_t dev)
actmon_dev_reg_t *regs = (actmon_dev_reg_t *)(ACTMON_DEV_BASE + (dev * ACTMON_DEV_SIZE)); actmon_dev_reg_t *regs = (actmon_dev_reg_t *)(ACTMON_DEV_BASE + (dev * ACTMON_DEV_SIZE));
// Get load-based sampling. 1 decimal point precision. // Get load-based sampling. 1 decimal point precision.
u32 avg_load = regs->avg_count / (ACTMON_FREQ / 1000); u32 avg_load = regs->avg_count * 100 / (ACTMON_FREQ / (ACTMON_PERIOD_MS * DEV_COUNT_WEIGHT));
return avg_load; return avg_load;
} }
@ -162,9 +162,8 @@ void actmon_init()
{ {
clock_enable_actmon(); clock_enable_actmon();
// Set period to 200ms. // Set period.
ACTMON(ACTMON_GLB_PERIOD_CTRL) &= ~ACTMON_GLB_PERIOD_USEC; ACTMON(ACTMON_GLB_PERIOD_CTRL) = ACTMON_GLB_PERIOD_SAMPLE(ACTMON_PERIOD_MS);
ACTMON(ACTMON_GLB_PERIOD_CTRL) |= ACTMON_GLB_PERIOD_SAMPLE(200);
} }
void actmon_end() void actmon_end()